<template>
  <div class="app-container">
    <el-tree default-expand-all :data="depts" :props="defaultProps" :expand-on-click-node="false">
      <!-- 节点结构 -->
      <!-- v-slot="{ node, data }" 只能作用在template -->
      <template v-slot="{ data }">
        <el-row style="width:100%;height:40px" type="flex" justify="space-between" align="middle">
          <el-col>{{ data.name }}</el-col>
          <el-col :span="4">
            <span class="tree-manager">{{ data.managerName }}</span>
            <!-- $event 实参 表示类型 -->
            <el-dropdown @command="operateDept($event,data.id)">
              <!-- 显示区域内容 -->
              <span class="el-dropdown-link">
                操作<i class="el-icon-arrow-down el-icon--right" />
              </span>
              <!-- 下拉菜单选项 -->
              <el-dropdown-menu slot="dropdown">
                <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                <el-dropdown-item command="del">删除</el-dropdown-item>
              </el-dropdown-menu>
            </el-dropdown>
          </el-col>
        </el-row>
      </template>
    </el-tree>
    <add-dept
      ref="addList"
      :title="title"
      :show-dialog.sync="showDialog"
      :current-node-id="currentNodeId"
      @upDepar="department"
    />
  </div>
</template>
<script>
import { getDepartment, delDepartment } from '@/api/department'
import { transformData } from '@/utils'
import addDept from './components/add-dept.vue'
export default {
  components: {
    addDept
  },
  data() {
    return {
      depts: [{
        name: '传智教育',
        children: [
          { name: '总裁办' },
          { name: '行政部' },
          { name: '财务部' }
        ]
      }],
      defaultProps: {
        children: 'children',
        label: 'name'
      },
      showDialog: false,
      currentNodeId: -1,
      title: '新增部门'

    }
  },
  created() {
    this.department()
  },
  methods: {
    handleNodeClick(data) {
      console.log(data)
    },
    async department() {
      const res = await getDepartment()
      this.depts = transformData(res.data, 0)
    },
    async operateDept(type, id) {
      this.currentNodeId = id
      if (type === 'add') {
        this.showDialog = true
        this.title = '新增部门'
      } else if (type === 'edit') {
        this.title = '编辑部门'
        this.showDialog = true
        // 等待成功后在返回
        this.$nextTick(() => {
          this.$refs.addList.getDepartments()
        })
      } else if (type === 'del') {
        // 删除部门
        this.$confirm('您确认要删除该部门吗').then(async() => {
          await delDepartment(id)
          // 提示消息
          this.$message.success('删除部门成功')
          this.department()
        })
      }
    }
  }

}

</script>
<style scoped>
.app-container {
  padding: 30px 140px;
  font-size: 14px;
}
.tree-manager {
  width: 50px;
  display: inline-block;
  margin: 10px;
}
</style>
